28610780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2767}}^1$

素因数の和:2834

約数の個数: 48

約数和(自身を含む): 66963456

約数和(自身を除く): 38352676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 2767, 5170, 5534, 10340, 11068, 13835, 27670, 30437, 55340, 60874, 121748, 130049, 152185, 260098, 304370, 520196, 608740, 650245, 1300490, 1430539, 2600980, 2861078, 5722156, 7152695, 14305390, 28610780]

約数ペア:

[(1, 28610780), (2, 14305390), (4, 7152695), (5, 5722156), (10, 2861078), (11, 2600980), (20, 1430539), (22, 1300490), (44, 650245), (47, 608740), (55, 520196), (94, 304370), (110, 260098), (188, 152185), (220, 130049), (235, 121748), (470, 60874), (517, 55340), (940, 30437), (1034, 27670), (2068, 13835), (2585, 11068), (2767, 10340), (5170, 5534)]